• CASIO GA-B2100BEG-1AJF
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CASIO · JAPANESE-MARKET REFERENCE

GA-B2100BEG-1AJF

GA-B2100BEG-1AJF

¥26,240 JPY
¥26,240 JPY
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Taxes included. Shipping calculated at checkout.

The BLACK AND ELECTRO GREEN series combines a black bezel, band and dial with vivid green printing on the LCD. Illuminated digital characters help you read the display in the dark. Its black exterior and bright green accents create a modern, high-contrast finish. Major resin components in the bezel and band use bio-based resin derived from renewable organic resources.

Reference
GA-B2100BEG-1AJF
Case (H × W × D)
48.5 × 45.4 × 11.9 mm
Weight
52 g
Listed water resistance
20-bar water resistance

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Spend ¥35,000 (Approximately $225 USD | €198 EUR) or more after product discounts and receive an additional ¥3,000 (Approximately $20 USD | €18 EUR) off your order subtotal.

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The qualifying subtotal excludes shipping and taxes. The qualifying amount and discount are based on Japanese yen. Amounts shown in your selected currency may vary with exchange rates.

Before & after your purchase

Read our shipping and return information before ordering. Model-specific warranty and repair guidance is available below.

Buying from JapanSize & function guide
Setup & support

Model reference: GA-B2100BEG-1AJF

Search the official manual using this model or the module number on your watch.

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Warranty & service

Local warranty service outside Japan is not guaranteed. Read our return and repair policy and ask about your exact reference before ordering.

Bracelet fit & adjustments

Check the case dimensions and band details in the specifications. Ask us about fit, included links and adjustment options before placing an order.

Packaging & included items

Included items can vary by reference. Contact us with the model number to confirm the box, documents and accessories.

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Order help & returns

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Product details
Model
GA-B2100BEG-1AJF
JAN / EAN
4549526422119
Band material
Resin band
Crystal material
Mineral glass
Weight
52 g
Case size (L × W × H)
48.5 × 45.4 × 11.9 mm
Price
¥26,240 JPY
Country of origin
JP

Specifications

Release date April 2026
Case size (H × W × D) 48.5 × 45.4 × 11.9 mm
Weight 52 g
Case and bezel material Carbon-fiber-reinforced resin / bio-based resin
Band Bio-based resin band
Construction Shock-resistant construction; Carbon Core Guard structure
Water resistance 20-bar water resistance
Time adjustment Bluetooth: connects to a smartphone for automatic time adjustment
Power supply and battery life Tough Solar (solar charging system)

Exterior details

Glass Mineral glass
Compatible wrist size 145–215mm
Other features Neobrite

Watch functions

World time World time: 38 cities (38 time zones, automatic daylight saving adjustment) plus UTC (Coordinated Universal Time); home city / world time city swapping
Stopwatch Stopwatch: 1/100 second for the first hour, 1 second thereafter; 24-hour capacity; lap / split time
Timer Countdown timer: 1-second setting increments, maximum 60 minutes, 1-second measurement
Alarm 5 daily alarms and hourly time signal
Light Double LED light: LED dial light and LCD backlight, both with Super Illuminator, afterglow and selectable 1.5- or 3-second duration
Light color LED: white
Calendar Full auto-calendar
Button operation tone Button operation tone on/off
Power saving Power saving: turns off the display after a period in the dark
Battery indicator and alerts Battery level indicator
Operating time Operating time from a full charge without solar generation: approximately 7 months with normal function use, or 18 months in power-saving mode
Accuracy Without smartphone connection, the watch operates at normal quartz accuracy (±15 seconds per month).
Other features Hand shift moves the hands temporarily away from the LCD; 12/24-hour format; Interchangeable month/day display; Day display in English, Spanish, French, German, Italian or Russian
Mobile Link Bluetooth connectivity with a compatible smartphone
Compatible app CASIO WATCHES
App functions Automatic time adjustment; Easy watch settings; World time: approximately 300 cities; Time & Place; Reminders; Phone finder
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